CVE-2010-3035

Name: CVE-2010-3035
Creator: NVD / NIST
Published: 2010-08-30T21:00:12.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10Actively ExploitedEPSS 5.56%

Last modified Jun 16, 2026

CVE-2010-3035 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.. CISA has confirmed active exploitation in the wild. EPSS estimates a 5.56% chance of exploitation in the next 30 days.

Description

Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

5.56%

91.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 15, 2022.

Affected Software

Vendor	Product	Versions
Cisco	Ios Xr	>= 3.4.0, <= 3.9.1

References

http://mailman.nanog.org/pipermail/nanog/2010-August/024837.htmlMailing List
http://osvdb.org/67696Broken Link
http://secunia.com/advisories/41190Broken Link
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtmlBroken Link, Vendor Advisory
http://www.securitytracker.com/id?1024371Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2010/2227Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/61443VDB Entry, Vendor Advisory
http://mailman.nanog.org/pipermail/nanog/2010-August/024837.htmlMailing List
http://osvdb.org/67696Broken Link
http://secunia.com/advisories/41190Broken Link
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtmlBroken Link, Vendor Advisory
http://www.securitytracker.com/id?1024371Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2010/2227Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/61443VDB Entry, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3035US Government Resource

Timeline

Published: Aug 30, 2010
Last Modified: Jun 16, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2010-3035?

How severe is CVE-2010-3035?

CVE-2010-3035 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.56% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2010-3035?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-3035?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST